62 lines
1.9 KiB
ArmAsm
62 lines
1.9 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#include <linux/linkage.h>
|
|
#include <asm/frame.h>
|
|
|
|
#include "tdxcall.S"
|
|
|
|
/*
|
|
* __seamcall() - Host-side interface functions to SEAM software
|
|
* (the P-SEAMLDR or the TDX module).
|
|
*
|
|
* __seamcall() function ABI:
|
|
*
|
|
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
|
|
* @args (RSI) - struct tdx_module_args for input
|
|
*
|
|
* Only RCX/RDX/R8-R11 are used as input registers.
|
|
*
|
|
* Return (via RAX) TDX_SEAMCALL_VMFAILINVALID if the SEAMCALL itself
|
|
* fails, or the completion status of the SEAMCALL leaf function.
|
|
*/
|
|
SYM_FUNC_START(__seamcall)
|
|
TDX_MODULE_CALL host=1
|
|
SYM_FUNC_END(__seamcall)
|
|
|
|
/*
|
|
* __seamcall_ret() - Host-side interface functions to SEAM software
|
|
* (the P-SEAMLDR or the TDX module), with saving output registers to
|
|
* the 'struct tdx_module_args' used as input.
|
|
*
|
|
* __seamcall_ret() function ABI:
|
|
*
|
|
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
|
|
* @args (RSI) - struct tdx_module_args for input and output
|
|
*
|
|
* Only RCX/RDX/R8-R11 are used as input/output registers.
|
|
*
|
|
* Return (via RAX) TDX_SEAMCALL_VMFAILINVALID if the SEAMCALL itself
|
|
* fails, or the completion status of the SEAMCALL leaf function.
|
|
*/
|
|
SYM_FUNC_START(__seamcall_ret)
|
|
TDX_MODULE_CALL host=1 ret=1
|
|
SYM_FUNC_END(__seamcall_ret)
|
|
|
|
/*
|
|
* __seamcall_saved_ret() - Host-side interface functions to SEAM software
|
|
* (the P-SEAMLDR or the TDX module), with saving output registers to the
|
|
* 'struct tdx_module_args' used as input.
|
|
*
|
|
* __seamcall_saved_ret() function ABI:
|
|
*
|
|
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
|
|
* @args (RSI) - struct tdx_module_args for input and output
|
|
*
|
|
* All registers in @args are used as input/output registers.
|
|
*
|
|
* Return (via RAX) TDX_SEAMCALL_VMFAILINVALID if the SEAMCALL itself
|
|
* fails, or the completion status of the SEAMCALL leaf function.
|
|
*/
|
|
SYM_FUNC_START(__seamcall_saved_ret)
|
|
TDX_MODULE_CALL host=1 ret=1 saved=1
|
|
SYM_FUNC_END(__seamcall_saved_ret)
|